Lokacin da injiniyoyi suka bayyana sabis ɗin simintin ƙarfe, Ba wai kawai suna yin odar wani sashi ba - suna tabbatar da daidaiton tsari a ƙarƙashin matsin lamba, kwanciyar hankali mai girma bayan hawan hawan zafi, da tsayin daka ga yashewa a cikin bawuloli na hydraulic ko gidajen famfo. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., Mun jefa sama da 12,000 karfe da bakin karfe aka gyara don manufa-mahimmancin aikace-aikace-kowannensu ingantacciyar a kan AMS 5387 tensile dalla-dalla, ISO 8062 geometric tolerances, da abokin ciniki-bayyanar da ƙayyadaddun ka'idojin gwajin aiki.
Yawancin masu siye suna ɗauka cewa duk simintin ƙarfe na ƙarfe yana nuna hali iri ɗaya. Ba sa. Mun taɓa karɓar zane don gidajen silinda na piston tare da ± 0.05 mm kauri kauri haƙuri - kuma mun gano ainihin ƙayyadaddun kayan aiki (A105) ba zai iya isar da ingantattun microstructure a cikin sassan 45 kg ba. Mun ba da shawarar ASTM A352 LCB maimakon: ƙananan carbon, ƙarancin sarrafa hatsi, an tabbatar da shi ta hanyar bincike kan-batch. Sashin ya wuce gwajin hydrostatic a matsa lamba 1.5 ×. Wannan ba canji ba ne. Wannan lissafin ƙarfe ne.
Mu sabis ɗin simintin ƙarfe gadoji gibi uku wasu sun bar budewa: yuwuwar ƙira, ci gaba da tsari, da tsinkayar tsari-zuwa-tsari. Muna gudanar da yashi da simintin saka hannun jari-amma ba mu taɓa ɗaukar su azaman masu musanyawa ba. Yashi simintin gyare-gyare yana ɗaukar nauyi har zuwa kilogiram 350 tare da ƙimar sanyaya mai sarrafawa don jikin bawul mai kauri. Yin simintin saka hannun jari yana isar da daidaiton ± 0.1 mm na madaidaiciya akan bututun ƙarfe mai katanga mai katanga na cobalt-alloy nozzles inda injina kaɗai zai iya yin haɗari da fashe-fashe. Ana tabbatar da kowane nau'i ta hanyar dijital akan CAD kafin zubawa; kowane log ɗin zuba ya haɗa da zafin narke, superheat, da bayanan samfurin ladle. Babu zato. Abubuwan da za a iya ganowa kawai.
Muna ganin maki huɗu masu maimaita gazawa a cikin siyan simintin simintin ƙarfe-da yadda muke hana kowane:
- Dimensional drift a lokacin zafi magani: Muna haɗawa da kawar da damuwa da damuwa kai tsaye cikin jadawalin simintin gyare-gyare-ba a matsayin ƙari ba. Don na'urorin na'ura na cibiyar winch na tushen T800, muna riƙe sassa a 920 ° C na sa'o'i 4 kafin yin aikin injin, sannan mu sake bincika ma'auni mai mahimmanci tare da ma'aunin iska kafin CNC ta ƙarshe ta wuce.
- Ƙarewar ƙasa mara daidaituwa akan simintin gyare-gyare: Haɗin mu na tsaye yana nufin ma'aikaci ɗaya wanda ke duba saman simintin gyare-gyaren kuma yana tsara injin 5-axis. Babu hannun hannu. Babu asarar tafsiri. Rashin ƙarancin saman yana tsayawa tsakanin Ra 0.8 µm akan fuskokin rufewa-har ma akan bakin karfe 316L tare da 22% chromium.
- Material takardar shaida gibin: Mun samo asali ne kawai daga masana'anta tare da takaddun shaida EN 10204 3.1 - kuma muna riƙe cikakkiyar ganowa har zuwa lambar zafi da aka buga akan kowane bangare. Idan ƙungiyar ku ta QA ta nemi rahoton gwajin niƙa don jikin bawul ɗaya da aka aika a cikin 2023, za mu dawo da shi cikin ƙasa da daƙiƙa 90.
- GD&T rashin daidaituwa tsakanin zane da jefawa: Mun inganta kowane kiran GD&T yayin nazarin aikin injiniya - ba kawai "za mu iya yin shi ba," amma "shin wannan datum zai tsira daga ƙanƙarar zafi?" Don flanges bawul ɗin matsa lamba, muna matsar da datum na farko zuwa saman injina bayan simintin, guje wa dogaro da fasalin simintin simintin da ya bambanta ± 0.3 mm.
Wasu na iya yin gardama cewa yin simintin gyare-gyare na waje ba shi da amsa. Amma lokacin da OEM na Turai na buƙatar samfuri shida AMS 5387 famfo gidaje a cikin kwanaki 18-cikakke tare da NDT, taswirar tauri, da rahotannin CMM mai girma-mun isar. yaya? Domin shirinmu na samarwa yana farawa da lokacin jagorar abu, ba kwanakin kalanda ba. Mun tanadi maki 12 na bokan ingots na karfe. Muna ci gaba da simintin simintin gyare-gyare don manyan-10 maimaita sassa akan rukunin yanar gizon. Kuma muna ba da injiniyan aikin guda ɗaya daga zance zuwa jigilar kaya-ba jerin gwano mai juyawa ba.
Wannan ba game da ma'auni ba ne. Yana da game da horo. Mu ISO 9001: 2015 tsarin na bukatar rubuce dubawa a bakwai tsari ƙofofin: albarkatun kasa resit, mold taro, zuba shiri, shakeout, zafi jiyya tabbatarwa, pre-machining CMM, da kuma karshe aikin gwajin. Kowane rahoto yana da alaƙa da lambar aiki ta musamman. Kowane karkacewa yana haifar da tushen tushen log-ba gyara kawai ba, amma sabunta tsari. A bara, waccan horon ya yanke kin amincewa da labarin farko da kashi 63% ga abokan cinikin ruwa na Arewacin Amurka.
Duba gaba, muna zurfafa iyawa biyu waɗanda ke sake fayyace abin da a sabis ɗin simintin ƙarfe iya yi. Na farko: matasan simintin gyaran kafa-machining. Yanzu mun shigar da na'urar gano abubuwan ganowa kai tsaye cikin yashi - kawar da kurakuran saitin na biyu akan tushen famfo mai fuska da yawa. Na biyu: simintin simintin tsinkaya. Yin amfani da tsarin ƙirar zafi na MAGMAsoft, muna gano wuraren zafi kafin zubawa-rage nauyin hawan sama har zuwa 28% ba tare da sadaukar da sauti ba.
Idan simintin karfe na gaba yana buƙatar fiye da yarda da juzu'i-idan dole ne ya tsira da zagayowar 10,000 a mashaya 250, hatimi akan slurry mai lalacewa, ko kula da ƙarfin gajiya bayan hawan keke na 500°C- sannan fara da niyyar ƙarfe, ba kawai lissafi ba. Ziyarci https://www.tsingtaocnc.com don neman sake dubawar masana'anta kyauta. Kawo GD&T ɗinku, matsi na matsin lamba, mafi munin gazawar simintin ku na baya. Za mu gaya muku abin da zai yiwu-kuma abin da ya cancanci ƙayyade daban.
